Finding the Fourth Proportional to 660,744.88, 911,750.57 and 388,752.95
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Solution
The fourth proportional to 660,744.88, 911,750.57 and 388,752.95 is: 536,433.55
Step by Step Solution
- Step 1: Write the proportion equation
660,744.88 : 911,750.57 = 388,752.95 : x - Step 2: Convert to fraction form
660,744.88/911,750.57 = 388,752.95/x - Step 3: Cross multiply
660,744.88x = 911,750.57 × 388,752.95 - Step 4: Simplify right side
660,744.88x = 354,445,721,807.92 - Step 5: Solve for x
x = 354,445,721,807.92/660,744.88 - Step 6: Final answer
x = 536,433.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.